[pgpool-hackers: 782] Re: main process is terminated after reload when enabeld_pool_hba is on

[Muhammad Usama]

Hi Yugo!

Thanks for the confirmation.

Cheers.
Muhammad Usama

On Fri, Jan 30, 2015 at 1:53 PM, Yugo Nagata <nagata at sraoss.co.jp> wrote:
> Hi Usama
>
> Thank you for the quick response!
> I confirmed it is fixed by the last commit.
>
> Thanks again!
>
> On Thu, 29 Jan 2015 23:27:09 +0500
> Muhammad Usama <m.usama at gmail.com> wrote:
>
>> Hi Yugo
>>
>> I have found the problem in the code and pushed the fix in 3.4 and master
>> branches.
>> http://git.postgresql.org/gitweb/?p=pgpool2.git;a=commit;h=2b55c09cbfb1488ecd0fe0b2d7d5045febea57bd
>>
>> Although I was getting the segmentation fault with and not the exact bus
>> error as reportred, So can you please verify if the issue is fixed at your
>> end.
>>
>> Thanks
>> Kind regards!
>> Muhammad Usama
>>
>> On Thu, Jan 29, 2015 at 5:51 AM, Yugo Nagata <nagata at sraoss.co.jp> wrote:
>>
>> > Hi hackers,
>> >
>> > I found a bug about pool_hba on 3.4.x.
>> >
>> > When enalbed_pool_hba is on, after several times of "pgpool reload"
>> > pgpool main process is terminated leaving children.
>> > Any log messages isn't output.
>> >
>> > gdb said "Bus error" occured at free_lines (at pool_hba.c).
>> > Here is backtrace result.
>> >
>> > Program received signal SIGBUS, Bus error.
>> > free_lines (lines=0x72e3e8, line_nums=0x72e3f0) at auth/pool_hba.c:1189
>> > 1189                                    pfree(lfirst(token));
>> > (gdb) bt
>> > #0  free_lines (lines=0x72e3e8, line_nums=0x72e3f0) at auth/pool_hba.c:1189
>> > #1  0x00000000004202c3 in load_hba (hbapath=0x7410e0
>> > "/home/yugo-n/work/git/pgpool2/src/test/heathcheck/etc/pool_hba.conf") at
>> > auth/pool_hba.c:107
>> > #2  0x00000000004055e2 in reload_config () at main/pgpool_main.c:2950
>> > #3  0x00000000004073fd in pool_sleep (second=<value optimized out>) at
>> > main/pgpool_main.c:2307
>> > #4  0x0000000000409e6f in PgpoolMain (discard_status=<value optimized
>> > out>, clear_memcache_oidmaps=<value optimized out>) at
>> > main/pgpool_main.c:473
>> > #5  0x0000000000404431 in main (argc=<value optimized out>, argv=<value
>> > optimized out>) at main/main.c:319
>> >
>> > This problem occurs only on 3.4.0. (I used head of git repository.)
>> > 3.3.4 has no problem.
>> >
>> > Is this a bug of memory-management of 3.4?
>> >
>> > --
>> > Yugo Nagata <nagata at sraoss.co.jp>
>> > _______________________________________________
>> > pgpool-hackers mailing list
>> > pgpool-hackers at pgpool.net
>> > http://www.pgpool.net/mailman/listinfo/pgpool-hackers
>> >
>
>
> --
> Yugo Nagata <nagata at sraoss.co.jp>